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\((x-17)+52=158\)
\(\Rightarrow x-17=158-52\)
\(\Rightarrow x-17=106\)
\(\Rightarrow x=106-17\)
\(\Rightarrow x=89\)
( x- 17 ) + 52 = 158
x - 17 = 158 - 52
x - 17 = 106
x = 106 + 7
x = 113
Vậy x = 113
( x : 23 + 45 ) : 67 = 8911
x : 23 + 45 = 8911 x 67
x : 23 + 45 = 597037
x : 23 = 597037 - 45
x : 23 = 596992
x = 596992 x 23
x = 13730816
Vậy x = 13730876
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a) 135 - ( x + 32 ) = 80
x + 32 = 135 - 80
x + 32 = 55
x = 55 - 32
x = 23
b)( x - 17 ) + 52 = 158
x - 17 = 158 - 52
x - 17 = 106
x = 106 + 17
x = 123
c x : 17 + 83 = 297
x : 17 = 297 - 83
x : 17 = 214
x = 214 x 17
x = 3638
d) 9052: x - 56 = 17
9052 : x = 17 + 56
9052 : x = 73
x = 9052 : 73
x = \(\frac{1004}{17}\)
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3) 5.(x-15)-75=0
5.(x-15)=75
x-15=15
x=15+15
x=30
8) 315+(146-x)=491
146-x=491-315
146-x=176
x=146-176
x=-30
6) 6.x-5=600+13
6.x-5=613
6.x=613+5
6.x=618
x=618:6
x=103
11)(x-17):8+52=158
(x-17):8=158-52
(x-17):8=106
x-17=106.8
x-17=848
x=848+17
x=865
7) (x-47).5-115=0
(x-47).5=115
x-47=115:5
x-47=23
x=23+47
x=70
10) 135-5.(x+37)=80
5.(x+37)=135-80
5(x+37)=55
x+37=55:5
x+37=11
x=11-37
x=26
13) 320:y-10=5.48:24
320:y-10=240:24
320:y-10=10
320:y=10+10
320:y=20
y=320:20
y=16
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2*[74-(25-17)*3]+x=158
2 . [ 74 - 8 . 3 ] + x = 158
2 . [ 74 - 24 ] + x = 158
2 . 50 + x = 158
100 + x = 158
x = 158 - 100
x = 58
vậy x = 58
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minh moi bn vao link nay dang ky roi tra loi minigame nha : https://alfazi.edu.vn/question/5b7768199c9d707fe5722878
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2(x-1)-12=36
2(x-1)=36+12
2(x-1)=48
x-1=48/2
x-1=24
x=24+1
x=25
vậy x = 25
x-7=(-13)+(-8)
x-7=-21
x=-21+7
x=-14
vậy x=-14
(-43) + 158 + 33 + (-158) +17
=\([(-158)+158]\)\((33+17)-43\)
=50-43
=7
(x - 17) + 52 = 158
x - 17 = 158 - 52
x - 17 = 106
x = 106 + 17
x = 123
(x-17)+52=158
x-17=158-52
x-17=106
x=106+17
x=123.